some cleanup to reduce confusion
[pcsx_rearmed.git] / libpcsxcore / new_dynarec / emu_if.c
... / ...
CommitLineData
1/*
2 * (C) GraÅžvydas "notaz" Ignotas, 2010-2011
3 *
4 * This work is licensed under the terms of GNU GPL version 2 or later.
5 * See the COPYING file in the top-level directory.
6 */
7
8#include <stdio.h>
9
10#include "emu_if.h"
11#include "pcsxmem.h"
12#include "../psxhle.h"
13#include "../r3000a.h"
14#include "../cdrom.h"
15#include "../psxdma.h"
16#include "../mdec.h"
17#include "../gte_arm.h"
18#include "../gte_neon.h"
19#define FLAGLESS
20#include "../gte.h"
21
22#define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
23
24//#define evprintf printf
25#define evprintf(...)
26
27char invalid_code[0x100000];
28u32 event_cycles[PSXINT_COUNT];
29
30static void schedule_timeslice(void)
31{
32 u32 i, c = psxRegs.cycle;
33 u32 irqs = psxRegs.interrupt;
34 s32 min, dif;
35
36 min = PSXCLK;
37 for (i = 0; irqs != 0; i++, irqs >>= 1) {
38 if (!(irqs & 1))
39 continue;
40 dif = event_cycles[i] - c;
41 //evprintf(" ev %d\n", dif);
42 if (0 < dif && dif < min)
43 min = dif;
44 }
45 next_interupt = c + min;
46}
47
48typedef void (irq_func)();
49
50static irq_func * const irq_funcs[] = {
51 [PSXINT_SIO] = sioInterrupt,
52 [PSXINT_CDR] = cdrInterrupt,
53 [PSXINT_CDREAD] = cdrReadInterrupt,
54 [PSXINT_GPUDMA] = gpuInterrupt,
55 [PSXINT_MDECOUTDMA] = mdec1Interrupt,
56 [PSXINT_SPUDMA] = spuInterrupt,
57 [PSXINT_MDECINDMA] = mdec0Interrupt,
58 [PSXINT_GPUOTCDMA] = gpuotcInterrupt,
59 [PSXINT_CDRDMA] = cdrDmaInterrupt,
60 [PSXINT_CDRLID] = cdrLidSeekInterrupt,
61 [PSXINT_CDRPLAY] = cdrPlayInterrupt,
62 [PSXINT_SPU_UPDATE] = spuUpdate,
63 [PSXINT_RCNT] = psxRcntUpdate,
64};
65
66/* local dupe of psxBranchTest, using event_cycles */
67static void irq_test(void)
68{
69 u32 irqs = psxRegs.interrupt;
70 u32 cycle = psxRegs.cycle;
71 u32 irq, irq_bits;
72
73 // irq_funcs() may queue more irqs
74 psxRegs.interrupt = 0;
75
76 for (irq = 0, irq_bits = irqs; irq_bits != 0; irq++, irq_bits >>= 1) {
77 if (!(irq_bits & 1))
78 continue;
79 if ((s32)(cycle - event_cycles[irq]) >= 0) {
80 irqs &= ~(1 << irq);
81 irq_funcs[irq]();
82 }
83 }
84 psxRegs.interrupt |= irqs;
85
86 if ((psxHu32(0x1070) & psxHu32(0x1074)) && (Status & 0x401) == 0x401) {
87 psxException(0x400, 0);
88 pending_exception = 1;
89 }
90}
91
92void gen_interupt()
93{
94 evprintf(" +ge %08x, %u->%u\n", psxRegs.pc, psxRegs.cycle, next_interupt);
95
96 irq_test();
97 //psxBranchTest();
98 //pending_exception = 1;
99
100 schedule_timeslice();
101
102 evprintf(" -ge %08x, %u->%u (%d)\n", psxRegs.pc, psxRegs.cycle,
103 next_interupt, next_interupt - psxRegs.cycle);
104}
105
106// from interpreter
107extern void MTC0(int reg, u32 val);
108
109void pcsx_mtc0(u32 reg, u32 val)
110{
111 evprintf("MTC0 %d #%x @%08x %u\n", reg, val, psxRegs.pc, psxRegs.cycle);
112 MTC0(reg, val);
113 gen_interupt();
114 if (Cause & Status & 0x0300) // possible sw irq
115 pending_exception = 1;
116}
117
118void pcsx_mtc0_ds(u32 reg, u32 val)
119{
120 evprintf("MTC0 %d #%x @%08x %u\n", reg, val, psxRegs.pc, psxRegs.cycle);
121 MTC0(reg, val);
122}
123
124void new_dyna_before_save(void)
125{
126 psxRegs.interrupt &= ~(1 << PSXINT_RCNT); // old savestate compat
127
128 // psxRegs.intCycle is always maintained, no need to convert
129}
130
131void new_dyna_after_save(void)
132{
133 psxRegs.interrupt |= 1 << PSXINT_RCNT;
134}
135
136static void new_dyna_restore(void)
137{
138 int i;
139 for (i = 0; i < PSXINT_COUNT; i++)
140 event_cycles[i] = psxRegs.intCycle[i].sCycle + psxRegs.intCycle[i].cycle;
141
142 event_cycles[PSXINT_RCNT] = psxNextsCounter + psxNextCounter;
143 psxRegs.interrupt |= 1 << PSXINT_RCNT;
144 psxRegs.interrupt &= (1 << PSXINT_COUNT) - 1;
145
146 new_dyna_pcsx_mem_load_state();
147}
148
149void new_dyna_freeze(void *f, int mode)
150{
151 const char header_save[8] = "ariblks";
152 uint32_t addrs[1024 * 4];
153 int32_t size = 0;
154 int bytes;
155 char header[8];
156
157 if (mode != 0) { // save
158 size = new_dynarec_save_blocks(addrs, sizeof(addrs));
159 if (size == 0)
160 return;
161
162 SaveFuncs.write(f, header_save, sizeof(header_save));
163 SaveFuncs.write(f, &size, sizeof(size));
164 SaveFuncs.write(f, addrs, size);
165 }
166 else {
167 new_dyna_restore();
168
169 bytes = SaveFuncs.read(f, header, sizeof(header));
170 if (bytes != sizeof(header) || strcmp(header, header_save)) {
171 if (bytes > 0)
172 SaveFuncs.seek(f, -bytes, SEEK_CUR);
173 return;
174 }
175 SaveFuncs.read(f, &size, sizeof(size));
176 if (size <= 0)
177 return;
178 if (size > sizeof(addrs)) {
179 bytes = size - sizeof(addrs);
180 SaveFuncs.seek(f, bytes, SEEK_CUR);
181 size = sizeof(addrs);
182 }
183 bytes = SaveFuncs.read(f, addrs, size);
184 if (bytes != size)
185 return;
186
187 new_dynarec_load_blocks(addrs, size);
188 }
189
190 //printf("drc: %d block info entries %s\n", size/8, mode ? "saved" : "loaded");
191}
192
193#ifndef DRC_DISABLE
194
195/* GTE stuff */
196void *gte_handlers[64];
197
198void *gte_handlers_nf[64] = {
199 NULL , gteRTPS_nf , NULL , NULL , NULL , NULL , gteNCLIP_nf, NULL , // 00
200 NULL , NULL , NULL , NULL , gteOP_nf , NULL , NULL , NULL , // 08
201 gteDPCS_nf, gteINTPL_nf, gteMVMVA_nf, gteNCDS_nf, gteCDP_nf, NULL , gteNCDT_nf , NULL , // 10
202 NULL , NULL , NULL , gteNCCS_nf, gteCC_nf , NULL , gteNCS_nf , NULL , // 18
203 gteNCT_nf , NULL , NULL , NULL , NULL , NULL , NULL , NULL , // 20
204 gteSQR_nf , gteDCPL_nf , gteDPCT_nf , NULL , NULL , gteAVSZ3_nf, gteAVSZ4_nf, NULL , // 28
205 gteRTPT_nf, NULL , NULL , NULL , NULL , NULL , NULL , NULL , // 30
206 NULL , NULL , NULL , NULL , NULL , gteGPF_nf , gteGPL_nf , gteNCCT_nf, // 38
207};
208
209const char *gte_regnames[64] = {
210 NULL , "RTPS" , NULL , NULL , NULL , NULL , "NCLIP", NULL , // 00
211 NULL , NULL , NULL , NULL , "OP" , NULL , NULL , NULL , // 08
212 "DPCS", "INTPL", "MVMVA", "NCDS", "CDP", NULL , "NCDT" , NULL , // 10
213 NULL , NULL , NULL , "NCCS", "CC" , NULL , "NCS" , NULL , // 18
214 "NCT" , NULL , NULL , NULL , NULL , NULL , NULL , NULL , // 20
215 "SQR" , "DCPL" , "DPCT" , NULL , NULL , "AVSZ3", "AVSZ4", NULL , // 28
216 "RTPT", NULL , NULL , NULL , NULL , NULL , NULL , NULL , // 30
217 NULL , NULL , NULL , NULL , NULL , "GPF" , "GPL" , "NCCT", // 38
218};
219
220/* from gte.txt.. not sure if this is any good. */
221const char gte_cycletab[64] = {
222 /* 1 2 3 4 5 6 7 8 9 a b c d e f */
223 0, 15, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 6, 0, 0, 0,
224 8, 8, 8, 19, 13, 0, 44, 0, 0, 0, 0, 17, 11, 0, 14, 0,
225 30, 0, 0, 0, 0, 0, 0, 0, 5, 8, 17, 0, 0, 5, 6, 0,
226 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 5, 39,
227};
228
229#define GCBIT(x) \
230 (1ll << (32+x))
231#define GDBIT(x) \
232 (1ll << (x))
233#define GCBITS3(b0,b1,b2) \
234 (GCBIT(b0) | GCBIT(b1) | GCBIT(b2))
235#define GDBITS2(b0,b1) \
236 (GDBIT(b0) | GDBIT(b1))
237#define GDBITS3(b0,b1,b2) \
238 (GDBITS2(b0,b1) | GDBIT(b2))
239#define GDBITS4(b0,b1,b2,b3) \
240 (GDBITS3(b0,b1,b2) | GDBIT(b3))
241#define GDBITS5(b0,b1,b2,b3,b4) \
242 (GDBITS4(b0,b1,b2,b3) | GDBIT(b4))
243#define GDBITS6(b0,b1,b2,b3,b4,b5) \
244 (GDBITS5(b0,b1,b2,b3,b4) | GDBIT(b5))
245#define GDBITS7(b0,b1,b2,b3,b4,b5,b6) \
246 (GDBITS6(b0,b1,b2,b3,b4,b5) | GDBIT(b6))
247#define GDBITS8(b0,b1,b2,b3,b4,b5,b6,b7) \
248 (GDBITS7(b0,b1,b2,b3,b4,b5,b6) | GDBIT(b7))
249#define GDBITS9(b0,b1,b2,b3,b4,b5,b6,b7,b8) \
250 (GDBITS8(b0,b1,b2,b3,b4,b5,b6,b7) | GDBIT(b8))
251#define GDBITS10(b0,b1,b2,b3,b4,b5,b6,b7,b8,b9) \
252 (GDBITS9(b0,b1,b2,b3,b4,b5,b6,b7,b8) | GDBIT(b9))
253
254const uint64_t gte_reg_reads[64] = {
255 [GTE_RTPS] = 0x1f0000ff00000000ll | GDBITS7(0,1,13,14,17,18,19),
256 [GTE_NCLIP] = GDBITS3(12,13,14),
257 [GTE_OP] = GCBITS3(0,2,4) | GDBITS3(9,10,11),
258 [GTE_DPCS] = GCBITS3(21,22,23) | GDBITS4(6,8,21,22),
259 [GTE_INTPL] = GCBITS3(21,22,23) | GDBITS7(6,8,9,10,11,21,22),
260 [GTE_MVMVA] = 0x00ffffff00000000ll | GDBITS9(0,1,2,3,4,5,9,10,11), // XXX: maybe decode further?
261 [GTE_NCDS] = 0x00ffff0000000000ll | GDBITS6(0,1,6,8,21,22),
262 [GTE_CDP] = 0x00ffe00000000000ll | GDBITS7(6,8,9,10,11,21,22),
263 [GTE_NCDT] = 0x00ffff0000000000ll | GDBITS8(0,1,2,3,4,5,6,8),
264 [GTE_NCCS] = 0x001fff0000000000ll | GDBITS5(0,1,6,21,22),
265 [GTE_CC] = 0x001fe00000000000ll | GDBITS6(6,9,10,11,21,22),
266 [GTE_NCS] = 0x001fff0000000000ll | GDBITS5(0,1,6,21,22),
267 [GTE_NCT] = 0x001fff0000000000ll | GDBITS7(0,1,2,3,4,5,6),
268 [GTE_SQR] = GDBITS3(9,10,11),
269 [GTE_DCPL] = GCBITS3(21,22,23) | GDBITS7(6,8,9,10,11,21,22),
270 [GTE_DPCT] = GCBITS3(21,22,23) | GDBITS4(8,20,21,22),
271 [GTE_AVSZ3] = GCBIT(29) | GDBITS3(17,18,19),
272 [GTE_AVSZ4] = GCBIT(30) | GDBITS4(16,17,18,19),
273 [GTE_RTPT] = 0x1f0000ff00000000ll | GDBITS7(0,1,2,3,4,5,19),
274 [GTE_GPF] = GDBITS7(6,8,9,10,11,21,22),
275 [GTE_GPL] = GDBITS10(6,8,9,10,11,21,22,25,26,27),
276 [GTE_NCCT] = 0x001fff0000000000ll | GDBITS7(0,1,2,3,4,5,6),
277};
278
279// note: this excludes gteFLAG that is always written to
280const uint64_t gte_reg_writes[64] = {
281 [GTE_RTPS] = 0x0f0f7f00ll,
282 [GTE_NCLIP] = GDBIT(24),
283 [GTE_OP] = GDBITS6(9,10,11,25,26,27),
284 [GTE_DPCS] = GDBITS9(9,10,11,20,21,22,25,26,27),
285 [GTE_INTPL] = GDBITS9(9,10,11,20,21,22,25,26,27),
286 [GTE_MVMVA] = GDBITS6(9,10,11,25,26,27),
287 [GTE_NCDS] = GDBITS9(9,10,11,20,21,22,25,26,27),
288 [GTE_CDP] = GDBITS9(9,10,11,20,21,22,25,26,27),
289 [GTE_NCDT] = GDBITS9(9,10,11,20,21,22,25,26,27),
290 [GTE_NCCS] = GDBITS9(9,10,11,20,21,22,25,26,27),
291 [GTE_CC] = GDBITS9(9,10,11,20,21,22,25,26,27),
292 [GTE_NCS] = GDBITS9(9,10,11,20,21,22,25,26,27),
293 [GTE_NCT] = GDBITS9(9,10,11,20,21,22,25,26,27),
294 [GTE_SQR] = GDBITS6(9,10,11,25,26,27),
295 [GTE_DCPL] = GDBITS9(9,10,11,20,21,22,25,26,27),
296 [GTE_DPCT] = GDBITS9(9,10,11,20,21,22,25,26,27),
297 [GTE_AVSZ3] = GDBITS2(7,24),
298 [GTE_AVSZ4] = GDBITS2(7,24),
299 [GTE_RTPT] = 0x0f0f7f00ll,
300 [GTE_GPF] = GDBITS9(9,10,11,20,21,22,25,26,27),
301 [GTE_GPL] = GDBITS9(9,10,11,20,21,22,25,26,27),
302 [GTE_NCCT] = GDBITS9(9,10,11,20,21,22,25,26,27),
303};
304
305static int ari64_init()
306{
307 static u32 scratch_buf[8*8*2] __attribute__((aligned(64)));
308 extern void (*psxCP2[64])();
309 extern void psxNULL();
310 extern unsigned char *out;
311 size_t i;
312
313 new_dynarec_init();
314 new_dyna_pcsx_mem_init();
315
316 for (i = 0; i < ARRAY_SIZE(gte_handlers); i++)
317 if (psxCP2[i] != psxNULL)
318 gte_handlers[i] = psxCP2[i];
319
320#if defined(__arm__) && !defined(DRC_DBG)
321 gte_handlers[0x06] = gteNCLIP_arm;
322#ifdef HAVE_ARMV5
323 gte_handlers_nf[0x01] = gteRTPS_nf_arm;
324 gte_handlers_nf[0x30] = gteRTPT_nf_arm;
325#endif
326#ifdef __ARM_NEON__
327 // compiler's _nf version is still a lot slower than neon
328 // _nf_arm RTPS is roughly the same, RTPT slower
329 gte_handlers[0x01] = gte_handlers_nf[0x01] = gteRTPS_neon;
330 gte_handlers[0x30] = gte_handlers_nf[0x30] = gteRTPT_neon;
331#endif
332#endif
333#ifdef DRC_DBG
334 memcpy(gte_handlers_nf, gte_handlers, sizeof(gte_handlers_nf));
335#endif
336 psxH_ptr = psxH;
337 zeromem_ptr = zero_mem;
338 scratch_buf_ptr = scratch_buf;
339
340 SysPrintf("Mapped (RAM/scrp/ROM/LUTs/TC):\n");
341 SysPrintf("%08x/%08x/%08x/%08x/%08x\n",
342 psxM, psxH, psxR, mem_rtab, out);
343
344 return 0;
345}
346
347static void ari64_reset()
348{
349 printf("ari64_reset\n");
350 new_dyna_pcsx_mem_reset();
351 invalidate_all_pages();
352 new_dyna_restore();
353 pending_exception = 1;
354}
355
356// execute until predefined leave points
357// (HLE softcall exit and BIOS fastboot end)
358static void ari64_execute_until()
359{
360 schedule_timeslice();
361
362 evprintf("ari64_execute %08x, %u->%u (%d)\n", psxRegs.pc,
363 psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);
364
365 new_dyna_start();
366
367 evprintf("ari64_execute end %08x, %u->%u (%d)\n", psxRegs.pc,
368 psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle);
369}
370
371static void ari64_execute()
372{
373 while (!stop) {
374 ari64_execute_until();
375 evprintf("drc left @%08x\n", psxRegs.pc);
376 }
377}
378
379static void ari64_clear(u32 addr, u32 size)
380{
381 u32 start, end, main_ram;
382
383 size *= 4; /* PCSX uses DMA units (words) */
384
385 evprintf("ari64_clear %08x %04x\n", addr, size);
386
387 /* check for RAM mirrors */
388 main_ram = (addr & 0xffe00000) == 0x80000000;
389
390 start = addr >> 12;
391 end = (addr + size) >> 12;
392
393 for (; start <= end; start++)
394 if (!main_ram || !invalid_code[start])
395 invalidate_block(start);
396}
397
398#ifdef ICACHE_EMULATION
399static void ari64_notify(int note, void *data) {
400 /*
401 Should be fixed when ARM dynarec has proper icache emulation.
402 switch (note)
403 {
404 case R3000ACPU_NOTIFY_CACHE_UNISOLATED:
405 break;
406 case R3000ACPU_NOTIFY_CACHE_ISOLATED:
407 Sent from psxDma3().
408 case R3000ACPU_NOTIFY_DMA3_EXE_LOAD:
409 default:
410 break;
411 }
412 */
413}
414#endif
415
416static void ari64_shutdown()
417{
418 new_dynarec_cleanup();
419 new_dyna_pcsx_mem_shutdown();
420}
421
422R3000Acpu psxRec = {
423 ari64_init,
424 ari64_reset,
425 ari64_execute,
426 ari64_execute_until,
427 ari64_clear,
428#ifdef ICACHE_EMULATION
429 ari64_notify,
430#endif
431 ari64_shutdown
432};
433
434#else // if DRC_DISABLE
435
436unsigned int address;
437int pending_exception, stop;
438unsigned int next_interupt;
439int new_dynarec_did_compile;
440int cycle_multiplier;
441int new_dynarec_hacks;
442void *psxH_ptr;
443void *zeromem_ptr;
444u8 zero_mem[0x1000];
445unsigned char *out;
446void *mem_rtab;
447void *scratch_buf_ptr;
448void new_dynarec_init() {}
449void new_dyna_start() {}
450void new_dynarec_cleanup() {}
451void new_dynarec_clear_full() {}
452void invalidate_all_pages() {}
453void invalidate_block(unsigned int block) {}
454void new_dyna_pcsx_mem_init(void) {}
455void new_dyna_pcsx_mem_reset(void) {}
456void new_dyna_pcsx_mem_load_state(void) {}
457void new_dyna_pcsx_mem_shutdown(void) {}
458int new_dynarec_save_blocks(void *save, int size) { return 0; }
459void new_dynarec_load_blocks(const void *save, int size) {}
460#endif
461
462#ifdef DRC_DBG
463
464#include <stddef.h>
465static FILE *f;
466extern u32 last_io_addr;
467
468static void dump_mem(const char *fname, void *mem, size_t size)
469{
470 FILE *f1 = fopen(fname, "wb");
471 if (f1 == NULL)
472 f1 = fopen(strrchr(fname, '/') + 1, "wb");
473 fwrite(mem, 1, size, f1);
474 fclose(f1);
475}
476
477static u32 memcheck_read(u32 a)
478{
479 if ((a >> 16) == 0x1f80)
480 // scratchpad/IO
481 return *(u32 *)(psxH + (a & 0xfffc));
482
483 if ((a >> 16) == 0x1f00)
484 // parallel
485 return *(u32 *)(psxP + (a & 0xfffc));
486
487// if ((a & ~0xe0600000) < 0x200000)
488 // RAM
489 return *(u32 *)(psxM + (a & 0x1ffffc));
490}
491
492void do_insn_trace(void)
493{
494 static psxRegisters oldregs;
495 static u32 old_io_addr = (u32)-1;
496 static u32 old_io_data = 0xbad0c0de;
497 static u32 event_cycles_o[PSXINT_COUNT];
498 u32 *allregs_p = (void *)&psxRegs;
499 u32 *allregs_o = (void *)&oldregs;
500 u32 io_data;
501 int i;
502 u8 byte;
503
504 //last_io_addr = 0x5e2c8;
505 if (f == NULL)
506 f = fopen("tracelog", "wb");
507
508 // log reg changes
509 oldregs.code = psxRegs.code; // don't care
510 for (i = 0; i < offsetof(psxRegisters, intCycle) / 4; i++) {
511 if (allregs_p[i] != allregs_o[i]) {
512 fwrite(&i, 1, 1, f);
513 fwrite(&allregs_p[i], 1, 4, f);
514 allregs_o[i] = allregs_p[i];
515 }
516 }
517 // log event changes
518 for (i = 0; i < PSXINT_COUNT; i++) {
519 if (event_cycles[i] != event_cycles_o[i]) {
520 byte = 0xfc;
521 fwrite(&byte, 1, 1, f);
522 fwrite(&i, 1, 1, f);
523 fwrite(&event_cycles[i], 1, 4, f);
524 event_cycles_o[i] = event_cycles[i];
525 }
526 }
527 // log last io
528 if (old_io_addr != last_io_addr) {
529 byte = 0xfd;
530 fwrite(&byte, 1, 1, f);
531 fwrite(&last_io_addr, 1, 4, f);
532 old_io_addr = last_io_addr;
533 }
534 io_data = memcheck_read(last_io_addr);
535 if (old_io_data != io_data) {
536 byte = 0xfe;
537 fwrite(&byte, 1, 1, f);
538 fwrite(&io_data, 1, 4, f);
539 old_io_data = io_data;
540 }
541 byte = 0xff;
542 fwrite(&byte, 1, 1, f);
543
544#if 0
545 if (psxRegs.cycle == 190230) {
546 dump_mem("/mnt/ntz/dev/pnd/tmp/psxram_i.dump", psxM, 0x200000);
547 dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs_i.dump", psxH, 0x10000);
548 printf("dumped\n");
549 exit(1);
550 }
551#endif
552}
553
554static const char *regnames[offsetof(psxRegisters, intCycle) / 4] = {
555 "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7",
556 "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15",
557 "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
558 "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31",
559 "lo", "hi",
560 "C0_0", "C0_1", "C0_2", "C0_3", "C0_4", "C0_5", "C0_6", "C0_7",
561 "C0_8", "C0_9", "C0_10", "C0_11", "C0_12", "C0_13", "C0_14", "C0_15",
562 "C0_16", "C0_17", "C0_18", "C0_19", "C0_20", "C0_21", "C0_22", "C0_23",
563 "C0_24", "C0_25", "C0_26", "C0_27", "C0_28", "C0_29", "C0_30", "C0_31",
564
565 "C2D0", "C2D1", "C2D2", "C2D3", "C2D4", "C2D5", "C2D6", "C2D7",
566 "C2D8", "C2D9", "C2D10", "C2D11", "C2D12", "C2D13", "C2D14", "C2D15",
567 "C2D16", "C2D17", "C2D18", "C2D19", "C2D20", "C2D21", "C2D22", "C2D23",
568 "C2D24", "C2D25", "C2D26", "C2D27", "C2D28", "C2D29", "C2D30", "C2D31",
569
570 "C2C0", "C2C1", "C2C2", "C2C3", "C2C4", "C2C5", "C2C6", "C2C7",
571 "C2C8", "C2C9", "C2C10", "C2C11", "C2C12", "C2C13", "C2C14", "C2C15",
572 "C2C16", "C2C17", "C2C18", "C2C19", "C2C20", "C2C21", "C2C22", "C2C23",
573 "C2C24", "C2C25", "C2C26", "C2C27", "C2C28", "C2C29", "C2C30", "C2C31",
574
575 "PC", "code", "cycle", "interrupt",
576};
577
578static struct {
579 int reg;
580 u32 val, val_expect;
581 u32 pc, cycle;
582} miss_log[64];
583static int miss_log_i;
584#define miss_log_len (sizeof(miss_log)/sizeof(miss_log[0]))
585#define miss_log_mask (miss_log_len-1)
586
587static void miss_log_add(int reg, u32 val, u32 val_expect, u32 pc, u32 cycle)
588{
589 miss_log[miss_log_i].reg = reg;
590 miss_log[miss_log_i].val = val;
591 miss_log[miss_log_i].val_expect = val_expect;
592 miss_log[miss_log_i].pc = pc;
593 miss_log[miss_log_i].cycle = cycle;
594 miss_log_i = (miss_log_i + 1) & miss_log_mask;
595}
596
597void breakme() {}
598
599void do_insn_cmp(void)
600{
601 static psxRegisters rregs;
602 static u32 mem_addr, mem_val;
603 u32 *allregs_p = (void *)&psxRegs;
604 u32 *allregs_e = (void *)&rregs;
605 static u32 ppc, failcount;
606 int i, ret, bad = 0, which_event = -1;
607 u32 ev_cycles = 0;
608 u8 code;
609
610 if (f == NULL)
611 f = fopen("tracelog", "rb");
612
613 while (1) {
614 if ((ret = fread(&code, 1, 1, f)) <= 0)
615 break;
616 if (ret <= 0)
617 break;
618 if (code == 0xff)
619 break;
620 switch (code) {
621 case 0xfc:
622 which_event = 0;
623 fread(&which_event, 1, 1, f);
624 fread(&ev_cycles, 1, 4, f);
625 continue;
626 case 0xfd:
627 fread(&mem_addr, 1, 4, f);
628 continue;
629 case 0xfe:
630 fread(&mem_val, 1, 4, f);
631 continue;
632 }
633 fread(&allregs_e[code], 1, 4, f);
634 }
635
636 if (ret <= 0) {
637 printf("EOF?\n");
638 goto end;
639 }
640
641 psxRegs.code = rregs.code; // don't care
642 psxRegs.cycle = rregs.cycle;
643 psxRegs.CP0.r[9] = rregs.CP0.r[9]; // Count
644
645 //if (psxRegs.cycle == 166172) breakme();
646
647 if (memcmp(&psxRegs, &rregs, offsetof(psxRegisters, intCycle)) == 0 &&
648 mem_val == memcheck_read(mem_addr)
649 ) {
650 failcount = 0;
651 goto ok;
652 }
653
654 for (i = 0; i < offsetof(psxRegisters, intCycle) / 4; i++) {
655 if (allregs_p[i] != allregs_e[i]) {
656 miss_log_add(i, allregs_p[i], allregs_e[i], psxRegs.pc, psxRegs.cycle);
657 bad++;
658 }
659 }
660
661 if (mem_val != memcheck_read(mem_addr)) {
662 printf("bad mem @%08x: %08x %08x\n", mem_addr, memcheck_read(mem_addr), mem_val);
663 goto end;
664 }
665
666 if (which_event >= 0 && event_cycles[which_event] != ev_cycles) {
667 printf("bad ev_cycles #%d: %08x %08x\n", which_event, event_cycles[which_event], ev_cycles);
668 goto end;
669 }
670
671 if (psxRegs.pc == rregs.pc && bad < 6 && failcount < 32) {
672 static int last_mcycle;
673 if (last_mcycle != psxRegs.cycle >> 20) {
674 printf("%u\n", psxRegs.cycle);
675 last_mcycle = psxRegs.cycle >> 20;
676 }
677 failcount++;
678 goto ok;
679 }
680
681end:
682 for (i = 0; i < miss_log_len; i++, miss_log_i = (miss_log_i + 1) & miss_log_mask)
683 printf("bad %5s: %08x %08x, pc=%08x, cycle %u\n",
684 regnames[miss_log[miss_log_i].reg], miss_log[miss_log_i].val,
685 miss_log[miss_log_i].val_expect, miss_log[miss_log_i].pc, miss_log[miss_log_i].cycle);
686 printf("-- %d\n", bad);
687 for (i = 0; i < 8; i++)
688 printf("r%d=%08x r%2d=%08x r%2d=%08x r%2d=%08x\n", i, allregs_p[i],
689 i+8, allregs_p[i+8], i+16, allregs_p[i+16], i+24, allregs_p[i+24]);
690 printf("PC: %08x/%08x, cycle %u\n", psxRegs.pc, ppc, psxRegs.cycle);
691 dump_mem("/mnt/ntz/dev/pnd/tmp/psxram.dump", psxM, 0x200000);
692 dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs.dump", psxH, 0x10000);
693 exit(1);
694ok:
695 psxRegs.cycle = rregs.cycle + 2; // sync timing
696 ppc = psxRegs.pc;
697}
698
699#endif